OBJECTIVES
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The goal of this workshop is to bring together both the DEVELOPERS and
END-USERS of reasoners for (subsets of) OWL 2, including systems focusing
on both intensional (ontology) and extensional (data) query answering. The
workshop will give developers a perfect opportunity to promote their
systems.

CALL FOR PAPERS
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We invite submission of papers describing:
* The architecture, implementation, and expected performance of the
reasoner.
* Reasoner implementation details, usage reports, implementation "tips
and tricks".
* Challenging ontologies and/or benchmark proposals for OWL reasoners.
Papers should be formatted according to the Springer LNCS guidelines (
http://www.springer.de/comp/lncs/authors.html) and should not be longer
than 6 pages (excluding references).
Submissions must be in PDF through the EasyChair conference system:
https://www.easychair.org/conferences/?conf=ore2015
All submissions will be peer-reviewed by the program committee. Selected
papers will be presented during the workshop and published as a volume of
CEUR workshop proceedings (http://ceur-ws.org/).

CALL FOR SYSTEMS
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We invite reasoner developers to submit their systems for participation in
the 2015 OWL reasoner competition. The preliminary outline for the
competition is as follows:
* The test sets will include OWL ontologies from all OWL 2 profiles and
of varying sizes, from a large corpus of ontologies (including ontologies
from the NCBO BioPortal, a web crawl, and user-submitted ontologies).
* The tested tasks will include consistency checking, classification,
entailment checking, and query answering.
* Developers will send a JAR file of their systems to the competition
organizers who will then carry out the benchmarks.
More details will be published soon. Information about last year's
competition can be found on the ORE 2014 website:
http://www.easychair.org/smart-program/VSL2014/ORE-competition.html
In addition to the system submissions, reasoner developers are invited to
submit a short paper describing their system. See the above instructions
for paper submissions.

CALL FOR ONTOLOGIES
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We invite ontology developers to submit ontologies which they believe pose
a challenge performance-wise for current OWL reasoners to handle. These
ontologies will be included in our ontology corpus, and additionally will
have a separate analysis in the competition proceedings.
In addition to the ontology submissions, ontology developers are invited to
submit a short paper describing their ontology. See the above instructions
for paper submissions.